If you want to learn something about the future of money, look north of the border. MintChip is a digital version of Canadian dollars. I'm in Toronto tonight to read at the awards ceremony honoring some of the coolest apps submitted by developers who have designed systems for integrating MintChip transactions into our everyday lives.

Will it happen? Will this medium of exchange ever be as ubiquitous as cash or even plastic? That remains to be seen. Either way, though, it's the kind of pioneering initiative that deserves our attention.